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/*
* Dibbler - a portable DHCPv6
*
* authors: Tomasz Mrugalski <thomson@klub.com.pl>
* Marek Senderski <msend@o2.pl>
*
* released under GNU GPL v2 licence
*
* $Id: DHCPServer.cpp,v 1.30 2008-08-17 22:41:43 thomson Exp $
*/
#include "DHCPServer.h"
#include "AddrClient.h"
#include "Logger.h"
volatile int serviceShutdown;
TDHCPServer::TDHCPServer(string config)
{
serviceShutdown = 0;
srand(now());
this->IsDone = false;
this->IfaceMgr = new TSrvIfaceMgr(SRVIFACEMGR_FILE);
if ( this->IfaceMgr->isDone() ) {
Log(Crit) << "Fatal error during IfaceMgr initialization." << LogEnd;
this->IsDone = true;
return;
}
this->IfaceMgr->dump();
this->AddrMgr = new TSrvAddrMgr(SRVADDRMGR_FILE);
if ( this->AddrMgr->isDone() ) {
Log(Crit) << "Fatal error during IfaceMgr initialization." << LogEnd;
this->IsDone = true;
return;
}
this->AddrMgr->dump();
this->CfgMgr = new TSrvCfgMgr(IfaceMgr, config, SRVCFGMGR_FILE);
if ( this->CfgMgr->isDone() ) {
Log(Crit) << "Fatal error during CfgMgr initialization." << LogEnd;
this->IsDone = true;
return;
}
this->CfgMgr->dump();
this->TransMgr = new TSrvTransMgr(IfaceMgr, AddrMgr, CfgMgr, SRVTRANSMGR_FILE);
if ( this->TransMgr->isDone() ) {
Log(Crit) << "Fatal error during TransMgr initialization." << LogEnd;
this->IsDone = true;
return;
}
this->IfaceMgr->dump(); // dump it once more (important, if relay interfaces were added)
this->TransMgr->dump();
TransMgr->setContext(TransMgr);
}
void TDHCPServer::run()
{
bool silent = false;
while ( (!this->isDone()) && (!TransMgr->isDone()) ) {
if (serviceShutdown)
TransMgr->shutdown();
TransMgr->doDuties();
unsigned int timeout = TransMgr->getTimeout();
if (timeout == 0) timeout = 1;
if (serviceShutdown) timeout = 0;
if (!silent)
Log(Notice) << "Accepting connections. Next event in " << timeout
<< " second(s)." << LogEnd;
#ifdef WIN32
// There's no easy way to break select, so just don't sleep for too long.
if (timeout>5) {
silent = true;
timeout = 5;
}
#endif
SmartPtr<TSrvMsg> msg=IfaceMgr->select(timeout);
if (!msg)
continue;
silent = false;
int iface = msg->getIface();
SmartPtr<TIfaceIface> ptrIface;
ptrIface = IfaceMgr->getIfaceByID(iface);
Log(Notice) << "Received " << msg->getName() << " on " << ptrIface->getName()
<< "/" << iface << hex << ",TransID=0x" << msg->getTransID()
<< dec << ", " << msg->countOption() << " opts:";
SmartPtr<TOpt> ptrOpt;
msg->firstOption();
while (ptrOpt = msg->getOption() )
Log(Cont) << " " << ptrOpt->getOptType();
Log(Cont) << ", " << msg->getRelayCount() << " relay(s)." << LogEnd;
if (CfgMgr->stateless() && ( (msg->getType()!=INFORMATION_REQUEST_MSG) &&
(msg->getType()!=RELAY_FORW_MSG))) {
Log(Warning)
<< "Stateful configuration related message received while running in the stateless mode. Message ignored."
<< LogEnd;
continue;
}
TransMgr->relayMsg(msg);
}
Log(Notice) << "Bye bye." << LogEnd;
}
bool TDHCPServer::isDone() {
return IsDone;
}
bool TDHCPServer::checkPrivileges() {
// FIXME: check privileges
return true;
}
void TDHCPServer::stop() {
serviceShutdown = 1;
Log(Warning) << "Service SHUTDOWN." << LogEnd;
}
void TDHCPServer::setWorkdir(std::string workdir) {
if (this->CfgMgr) {
this->CfgMgr->setWorkdir(workdir);
this->CfgMgr->dump();
}
}
TDHCPServer::~TDHCPServer()
{
if (TransMgr)
TransMgr->setContext(0);
this->TransMgr = 0;
this->AddrMgr = 0;
this->CfgMgr = 0;
this->IfaceMgr = 0;
}
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